/* CSS Variables for theme support */
:root {
  --bg-color: #111;
  --text-color: white;
  --secondary-bg: #222;
  --tertiary-bg: #333;
  --border-color: #444;
  --button-bg: #28a745;
  --button-hover: #218838;
  --input-bg: #333;
  --input-border: #444;
}

.light-mode {
  --bg-color: #ffffff;
  --text-color: #333;
  --secondary-bg: #f8f9fa;
  --tertiary-bg: #e9ecef;
  --border-color: #dee2e6;
  --button-bg: #28a745;
  --button-hover: #218838;
  --input-bg: #ffffff;
  --input-border: #ced4da;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Segoe UI', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
  padding: 20px;
  transition: all 0.3s ease;
  position: relative;
  overflow-x: hidden;
  box-sizing: border-box;
}

h1 {
  font-size: 28px;
  margin-bottom: 30px;
  text-align: center;
  color: var(--text-color);
  text-transform: uppercase;
  letter-spacing: 1px;
}

#nameList {
  width: 100%;
  height: 150px;
  padding: 10px;
  font-size: 14px;
  resize: vertical;
  margin-bottom: 20px;
  background-color: var(--input-bg);
  color: var(--text-color);
  border: 1px solid var(--input-border);
}

.checkbox-group {
  margin-bottom: 15px;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-color);
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-right: 8px;
  margin-bottom: 0;
}

.checkbox-group span {
  flex: 1;
}

/* Hover Tooltip */
.tooltip {
  position: relative;
  display: inline-block;
  background-color: #007bff;
  color: white;
  border-radius: 50%;
  width: 16px;
  height: 16px;
  font-size: 12px;
  font-weight: bold;
  text-align: center;
  line-height: 16px;
  cursor: pointer;
  margin-left: 8px;
}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 250px;
  background-color: var(--secondary-bg);
  color: var(--text-color);
  text-align: left;
  border-radius: 6px;
  padding: 8px;
  position: absolute;
  z-index: 1001;
  bottom: 125%;
  left: 50%;
  margin-left: -125px;
  font-size: 12px;
  line-height: 1.4;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  opacity: 0;
  transition: opacity 0.3s;
}

.tooltip .tooltiptext::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: var(--border-color) transparent transparent transparent;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}

/* File Input and Clear Button */
.file-input {
  background-color: var(--input-bg);
  color: var(--text-color);
  border: 1px solid var(--input-border);
  border-radius: 4px;
  padding: 8px;
  margin-bottom: 10px;
  width: calc(100% - 120px);
  display: inline-block;
}

.clear-btn {
  background-color: #dc3545;
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  margin-left: 10px;
  font-size: 12px;
}

.clear-btn:hover {
  background-color: #c82333;
}

/* Download Button */
.download-btn {
  background-color: #17a2b8;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.download-btn:hover {
  background-color: #138496;
}

/* Entry Preview */
.entry-preview {
  background-color: var(--tertiary-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 15px;
  margin-top: 15px;
}

.entry-preview h4 {
  margin-top: 0;
  margin-bottom: 10px;
  color: var(--text-color);
  font-size: 14px;
}

.entry-count {
  font-size: 12px;
  color: #28a745;
  margin-bottom: 10px;
}

.entry-list-display {
  max-height: 150px;
  overflow-y: auto;
  font-size: 12px;
  line-height: 1.4;
}

.entry-list-display div {
  padding: 2px 0;
  border-bottom: 1px solid var(--border-color);
}

.entry-list-display div:last-child {
  border-bottom: none;
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  justify-content: center;
  margin: 20px 0;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-color);
}

.toggle-switch {
  position: relative;
  width: 60px;
  height: 28px;
}

.toggle-switch input[type="checkbox"] {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  border-radius: 34px;
  transition: .4s;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  border-radius: 50%;
  transition: .4s;
}

input:checked + .toggle-slider {
  background-color: #2196F3;
}

input:checked + .toggle-slider:before {
  transform: translateX(32px);
}

#winnerDisplay {
  font-size: 30px;
  margin: 30px 0;
  font-weight: bold;
  text-align: center;
  line-height: 1.6;
  transition: all 0.3s ease;
}

#drawButton {
  background-color: var(--button-bg);
  color: white;
  padding: 12px 24px;
  font-size: 18px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

#drawButton:hover {
  background-color: var(--button-hover);
}

/* Settings Icon */
.settings-icon {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 24px;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: background-color 0.3s ease;
}

.settings-icon:hover {
  background-color: rgba(128, 128, 128, 0.1);
}

/* Settings Modal */
.settings-modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}

.settings-content {
  position: absolute;
  right: 0;
  top: 0;
  width: 400px;
  height: 100vh;
  background-color: var(--secondary-bg);
  color: var(--text-color);
  padding: 20px;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
  scrollbar-width: thin; /* Firefox */
  transform: translateX(100%);
  transition: transform 0.3s ease;
  box-sizing: border-box;
}

/* Webkit scrollbar styling */
.settings-content::-webkit-scrollbar {
  width: 8px;
}

.settings-content::-webkit-scrollbar-track {
  background: var(--tertiary-bg);
  border-radius: 4px;
}

.settings-content::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

.settings-content::-webkit-scrollbar-thumb:hover {
  background: #666;
}

.settings-modal.show .settings-content {
  transform: translateX(0);
}

.settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.settings-header h2 {
  margin: 0;
  font-size: 20px;
}

.settings-close {
  font-size: 28px;
  cursor: pointer;
  line-height: 1;
}

.settings-close:hover {
  opacity: 0.7;
}

/* Settings Tabs */
.settings-tabs {
  display: flex;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-color);
  opacity: 0.7;
  padding: 10px 15px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

.tab-btn:hover {
  opacity: 1;
}

.tab-btn.active {
  opacity: 1;
  border-bottom-color: #28a745;
}

.tab-content {
  margin-bottom: 20px;
}

.tab-content h3 {
  margin-top: 0;
  margin-bottom: 15px;
  font-size: 16px;
  color: var(--text-color);
}

/* Form Styles */
.form-group {
  margin-bottom: 15px;
}

.form-row {
  display: flex;
  gap: 10px;
}

.form-row .form-group {
  flex: 1;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-size: 14px;
  color: var(--text-color);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--input-border);
  border-radius: 4px;
  background-color: var(--input-bg);
  color: var(--text-color);
  font-size: 14px;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: #28a745;
}

/* Settings Footer */
.settings-footer {
  display: flex;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.reset-btn {
  background-color: #dc3545;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 4px;
  cursor: pointer;
  flex: 1;
}

.reset-btn:hover {
  background-color: #c82333;
}

.save-btn {
  background-color: #28a745;
  color: white;
  border: none;
  padding: 10px 15px;
  border-radius: 4px;
  cursor: pointer;
  flex: 1;
}

.save-btn:hover {
  background-color: #218838;
}


/* Winner Celebration Animation */
.winner-celebration {
  animation: celebration-pulse 0.5s ease-in-out;
  transform-origin: center;
}

@keyframes celebration-pulse {
  0%, 100% { 
    transform: scale(1); 
  }
  50% { 
    transform: scale(1.1); 
  }
}

/* Mode Switch Animation */
.mode-switching {
  transition: all 0.1s ease-in-out !important;
}

/* Responsive adjustments */
@media (max-width: 480px) {
  .settings-content {
    width: 100%;
  }
  
  .settings-icon {
    top: 10px;
    right: 10px;
    font-size: 20px;
  }
}